Public water system · CO0115152
ActiveBone Mesa Domestic Wd
At a glance
Bone Mesa Domestic Wd (PWSID CO0115152) is an active community water system in Delta County, Colorado. It reports serving 400 people through 165 service connections. Its primary water source is groundwater under influence of surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in August 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
400
Service connections
165
Primary source
GU
Groundwater under influence of surface water
System type
CWS
Community water system
System record
How does Bone Mesa Domestic Wd compare with other water systems in Delta County?
By EPA's size categories, Bone Mesa Domestic Wd is a very small system (500 people or fewer). Delta County has 42 active public water systems. Its population served is about 39% below the county average of 660 people per system, and accounts for 1.4% of the 27,718 people reported by systems filed under the county. Across Colorado, the 2,207 active systems average 3,400 people each. Nationally, the average active community water system reports serving 6,703 people, so Bone Mesa Domestic Wd is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Colorado has 1,068 active community water systems, 48% of the state's 2,207 active systems. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules. 166 Colorado systems (7.5%) list groundwater under influence of surface water as their primary source.
Who owns and regulates Bone Mesa Domestic Wd?
EPA lists Bone Mesa Domestic Wd as owned by a local government. The CO state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 10 of the 42 active systems in Delta County (24%) are also owned by a local government.
Does Bone Mesa Domestic Wd have drinking water violations?
Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in August 2023. The violations listed here began between September 2021 and August 2023. By type: 7 required treatment not met, 3 monitoring and reporting and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Interim Enhanced Surface Water Treatment Rule (6 of them). EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2023-08-01 | Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2023-07-01 | Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2023-06-01 | Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2023-05-01 | Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2023-04-01 | Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2022-03-17 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2022-02-13 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2022-01-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 2021-12-02 | Required treatment not metOCCT/SOWT Treatment Installation/Demonstration · code 58 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 2021-10-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2021-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlor epoxidecode 2067 | No | Resolved |
| 2021-09-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Bone Mesa Domestic Wd: frequently asked questions
Who runs Bone Mesa Domestic Wd?
Bone Mesa Domestic Wd (PWSID CO0115152) is a community water system owned by a local government. It is regulated by the CO state drinking water program.
How many people does Bone Mesa Domestic Wd serve?
Bone Mesa Domestic Wd reports serving 400 people through 165 service connections in Delta County, Colorado.
Where does Bone Mesa Domestic Wd get its water?
EPA SDWIS lists this system's primary water source as groundwater under influence of surface water. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules.
Does Bone Mesa Domestic Wd have any drinking water violations?
Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in August 2023. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Bone Mesa Domestic Wd's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in August 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.
Where can I find Bone Mesa Domestic Wd's water quality report?
As a community water system, Bone Mesa Domestic Wd must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Delta County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Delta City of | Delta | 8,700 | Community | Purchased surface water |
| Orchard City Town of | Delta | 3,100 | Community | Groundwater under influence of surface water |
| Upper Surface Creek Domestic Wua | Delta | 2,800 | Community | Surface water |
| Paonia Town of | Delta | 2,499 | Community | Groundwater under influence of surface water |
| Cedaredge Town of | Delta | 2,400 | Community | Surface water |
| Hotchkiss Town of | Delta | 2,050 | Community | Surface water |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Bone Mesa Domestic Wd, PWSID CO0115152, Colorado”, https://aquacensus.com/water-systems/colorado/bone-mesa-domestic-wd-co0115152 (data as of October 1, 2026).